wrecked truck won't start now

[ripnnet]

i have a 93 w250 5 speed, and i recently rolled it, it just tipped over on its top but was like that for probably 20 to 30 minutes before i turned it back over, when i went to start it back up, it acted like it was going to for the first 2 or 3 seconds but when i tried after that the motor would not turn over. what might have happened while it was upside down to get it to not start?

[Richie O]

You may have hydraulic'ed the engine. When its upside down the oil ends up on top of the pistions. When you turn the engine over it tries to compress the oil and usually it bends a rod. You may have ruined it. I know a guy in town that flopped a dump truck on its side and he blew the engine when he righted it. You are supposed to take out the injectors and crank it to get rid of the liquid first.

[93flatbed]

welcome to the site, sorry to hear about your truck Could be something simple or could be what is stated above. try Rolling it over by hand with all of the injectors out.

[Begle1]

You are supposed to take out the injectors and crank it to get rid of the liquid first.

Anybody ever hear of the jet of liquid coming out of the injector bore being potentially fatal?

I had a safety class by a guy from Cummins with gruesome pictures and "don't be this guy" stories, one of them was about a mechanic who managed to kill himself by getting a jet of water through his eye by cranking a hydrolocked engine.

I found that one kind of far fetched and hard to believe... I can see blindness coming around pretty easy, but death?

[hassy21]

i recently rolled my truck and it sat upside down for about 3-4 hrs. I got it on the tow truck and pulled it to my house and waited about 20 mins. before starting it and she fired right up. A little bit of white smoke came out and ran rough for about 5 secs. and cleared right up. I thought when you usually hydralic an engine it usually bends the push rods and then possibly the valves if turn over a lot?

[RumbleFish]

Anybody ever hear of the jet of liquid coming out of the injector bore being potentially fatal?

I had a safety class by a guy from Cummins with gruesome pictures and "don't be this guy" stories, one of them was about a mechanic who managed to kill himself by getting a jet of water through his eye by cranking a hydrolocked engine.

I found that one kind of far fetched and hard to believe... I can see blindness coming around pretty easy, but death?

ive heard of this, but only with the common rail motors and the high psi they carry.

[gear jammer 91"]

A guy I used to work with flopped a small off road diesel forklift on it's side. It hydro locked the engine and when he tried to start it, it bent a rod (we didn't know it at the time). After clearing the cylinders of oil and getting it fired up we couldn't figure out why the engine was shaking so badly, until it poked a rod out both side's of the block.